[(0,1),(1,2),(0,2),(1,3),(3,4),(3,5),(4,5),(2,6),(4,6),(5,7),(6,7),(7,8),(8,9),(9,10),(10,11),(9,11),(10,12),(11,13),(12,14),(13,15),(12,16),(14,17),(16,17),(13,18),(14,18),(18,19),(19,20),(17,20),(20,21),(15,21),(15,22),(21,23),(22,24),(23,24),(19,25),(16,26),(26,27),(27,28),(25,29),(25,30),(26,31),(24,32),(28,33),(22,34),(28,35),(27,36),(8,37),(23,38)]
[(0,1),(1,2),(1,3),(2,4),(0,5),(3,5),(5,6),(6,7),(4,8),(8,9),(6,10),(7,10),(3,11),(9,11),(2,12),(7,13),(13,14),(4,14),(10,15),(13,16),(14,17),(12,17),(11,18),(12,18),(16,19),(18,19),(17,20),(15,20),(20,21),(21,22),(21,23),(8,23),(23,24),(24,25),(22,25),(24,26),(25,27),(27,28),(19,29),(26,30),(28,31),(26,32),(28,33),(22,34),(16,35),(15,36),(9,37),(27,38)]
